data thermo.tdat verify time start = 0 yr, inlet-2 2 yr, end = 10 yr length = 1000 m Nx = 400 discharge = 30 m3/m2yr porosity = 30% dispersivity = 1 m scope initial Na+ = 10 mmolal Pb++ = 1e-12 mmolal balance on Cl- scope inlet-1 = initial Pb++ = 0.1 mmolal scope inlet-2 = initial dxplot 0.02 dx_init = .0001